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Finding Daily or Monthly Data
First, find the closest station with available data (see
station
locations). For daily maximum and minimum temperature or
precipitation, there may be a cooperative observer site
closer than a Mesonet site. For snowfall, you will need
cooperative observer data. For other variables (such as
humidity, wind, soil temperatures), most likely you will
need either Mesonet data or a First-Order
NWS station
Cooperative Observer Data:
- A
Month in Time - a graphical calendar display of
daily maximum, minimum temperature and precipitation for
a selected station and year/month.
- Timeseries
Information - a tabular listing of selected
variables (daily maximum temperature, minimum
temperature, temperature at observation time,
precipitation, snowfall, and/or snow depth), based on the
selected station's period-of-record. The data can be
easily copied from the screen and pasted into a
spreadsheet or text editor.
- Climatological
Data - the official archive of daily cooperative
observer observations in a monthly PDF document. The data
are available from NCDC for a fee, but OCS maintains
an archive for our own use and/or printing or e-mailing
to others (just do not provide the web URL). Prnted
copies are also kept in the OCS library.
- Readcoop (program) on cig /ocsdata/coop/apps/
can be used to extract eithe daily or monthly-summarized
observations to a specified file. This is useful for
requests of month-by-month precipitation totals at a
station, for example.
First-Order Stations:
- Local
Climatological Data - monthly PDF files containing a
summary of daily weather at Oklahoma City or Tulsa and
3-hourly readings for each day of the month. The files
are available from NCDC for a fee, but OCS maintains an
archive for our own use and/or printing or e-mailing to
others (just do not provide the web URL). Variables
include temperature, dew point, degree days, weather
types, snowfall, precipitation, pressure, and wind speed
and direction. Printed copies are also kept in the OCS
library.
- F-6 forms - summaries of observations from
First-Order stations, maintained on each NWS Forecast
Office website for stations within their area of
responsibility. Data are similar to the front-page of
Local Climatological Data, but also include sunshine
and sky cover.
- Norman
- Oklahoma City, Wichita Falls, Bethany, Clinton,
Frederick, Gage, Guthrie, Hobart, Lawton, Ponca City,
Stillwater
- Tulsa
- Tulsa, Bartlesville, Fayetteville, Fort Smith,
Highfill (AR - Northwest), McAlester, Muskogee,
Riverside (Jenks)
- Amarillo
- Amarillo, Borger, Dalhart, Guymon
- Shreveport:
De Queen (AR), El Dorado (AR), Longview
(TX), Lufkin (TX), Monroe (LA), Shreveport (LA),
Texarkana (AR), Tyler (TX)
Mesonet Summarized Daily / Monthly Data
- Mesonet
Climatological Data (click on Monthly Summaries) -
similar to the front page of Local Climatological Data,
these summaries present Mesonet data from a calendar day
(CST) for 1994 through the current month (previous day).
Variables include temperature, dewpoint, degree days,
humidity, rainfall, pressure, wind speed and direction,
solar radiation, and soil temperature. Summarized data
for the month is included in the lower portion of the
document. Available as HTML for quick-look / reference or
PDF for printing. These are very useful for requests that
cover one or two months; for longer periods use the
Mesonet Daily Data option (see below).
- Mesonet
Daily Data (click on Daily Data Retrieval) -
returns selected stations, dates, and variables in a
comma-delimited format, either to the browser or (for
large requests) via a zip file sent by e-mail. Maxima,
minima, and averages of any variable are available. For
winds, primary and secondary direction can be selected
with associated frequencies (percent of observations the
wind was blowing from that direction). The
comma-delimited format can be imported into spreadsheets.
CAUTION: each new days includes a header, so when
you import the file to a spreadsheet, you will need to
sort the data and delete the extra header lines.
- Mesonet
Monthly Data - Based on the daily files, the Mesonet
Monthly Data provides summarized maxium, minimum and
average for each of the daily variables. Data are
returned in a comma-delimited format to the browser,
regardless of the quantity of data requested. Make sure
the browser has completely loaded all requested data
before copying the data from the browser to a
spreadsheet.
- Mesonet
Query / Daily data search engine - Searches for
occurrences of specified criteria among selected
stations, variables, and dates. Matches are returned to
the browser. The Query is useful for questions such as
"have we broken 100 degrees at Alva this summer" or "what
stations were below freezing last night".
- Mesonet
Climate Division Summary - Provides an overview
of conditions by each climate division for any period
specified (even though the title says "Seven Day
Mesonet Totals"). Information includes the highest and
lowest air temperature (with location and date of
occurrence), soil temperatures, and rainfall for each
climate division. An additional table provides the
climate-division average maximum, minimum and overall
average temperatures for each climate division.
- Recent
Mesonet Rainfall - Rainfall totals for each Mesonet
site for 7, 10, 14, 30, 60 and 90-day periods.
CAUTION: if a station is missing more than a
threshold number of observations, it is not listed in the
table.
- Rainfall
and Drought Update - maps and climate division tables
of precipitation totals, departures, and rankings for
periods ranging from 30 days to one year. Past seasons
and years are also available.
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